Description
The Web Filtering functionality in Kerio Personal Firewall (KPF) 4.0.13 allows remote attackers to cause a denial of service (crash) by sending hex-encoded URLs containing "%13%12%13".
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- Kerio Personal Firewall 4.0.x - Web Filtering Remote Denial of Service EDB-23925 · dos · Apr 7, 2004 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 20040406 Kerio Personal Firewall 4 and IE 6 "Bug" mailing-list
- 20040407 Kerio Personal Firewall 4.0.13 - Remote DoS (Crash) mailing-list
- 10075 vdb-entry
- 11331 third-party-advisory
- kerio-pf-webfilter-dos(15821) vdb-entry
- http://www.cipher.org.uk/index.php?p=advisories/HEX-Kerio_Personal_Firewall_Remote_DOS_7-04-2004.advisory